Double tray



FIG. 1 is a perspective view of a double tray showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side view thereof, the opposite side being a mirror image of the side shown;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a front elevational view thereof. 

The ornamental design for a double tray, as shown and described. 